Anesthesiologists are increasingly confronting the difficult problem of management of patients with sepsis both in the operating room and in the intensive care unit. Sepsis occurs in over 750,000 patients in the United States annually and is responsible for more than 210,000 deaths. Approximately 40% of all intensive care unit patients either have sepsis on admission to the intensive care unit or develop sepsis during their stay in the intensive care unit. There have been significant advances in both understanding of the pathophysiology of the disorder as well as in therapy. Although deaths due to sepsis remain stubbornly high, new treatment algorithms have lead to a reduction in overall mortality. Thus, it is important for anesthesiologists and critical care practitioners to be aware of these new therapeutic regimens. The goal of this review is to include both practical points on important advances in current therapy of sepsis as well as provide a vision of future new immunotherapeutic approaches.
The simulation assessments yielded reasonably reliable measures of Critical Care Medicine decision-making skills. Despite a wide range of performance, those with more ICU training and experience performed better, providing evidence to support the validity of the scores. Simulation-based assessments may ultimately prove useful to determine readiness to assume decision-making roles in the ICU.
Objectives: Acute Physiology and Chronic Health Evaluation is a well-validated method to risk-adjust ICU patient outcomes. However, predictions may be affected by inter-rater reliability for manually entered elements. We evaluated inter-rater reliability for Acute Physiology and Chronic Health Evaluation IV manually entered elements among clinician abstractors and assessed the impacts of disagreements on mortality predictions. Design: Cross-sectional. Setting: Academic medical center. Subjects: Patients admitted to five adult ICUs. Interventions: None. Measurements and Main Results: Acute Physiology and Chronic Health Evaluation IV manually entered elements were abstracted from a selection of charts (n = 41) by two clinician “raters” trained in Acute Physiology and Chronic Health Evaluation IV methodology. Rater agreement (%) was determined for each manually entered element, including Acute Physiology and Chronic Health Evaluation diagnosis, Glasgow Coma Scale score, admission source, chronic conditions, elective/emergency surgery, and ventilator use. Cohen’s kappa (K) or intraclass correlation coefficient was calculated for nominal and continuous manually entered elements, respectively. The impacts of manually entered element choices on Acute Physiology and Chronic Health Evaluation IV mortality predictions were computed using published Acute Physiology and Chronic Health Evaluation IV equations, and observed to expected hospital mortality ratios were compared between rater groups. The majority of manually entered element inconsistency was due to disagreement in choice of Glasgow Coma Scale (63.8% agreement, 0.83 intraclass correlation coefficient), Acute Physiology and Chronic Health Evaluation diagnosis (68.3% agreement, 0.67 kappa), and admission source (90.2% agreement, 0.85 kappa). The difference in predicted mortality between raters related to Glasgow Coma Scale disagreements was significant (observed to expected mortality ratios for Rater 1 [1.009] vs Rater 2 [1.134]; p < 0.05). Differences related to Acute Physiology and Chronic Health Evaluation diagnosis or admission source disagreements were negligible. The new “unable to score” choice for Glasgow Coma Scale was used for 18% of Glasgow Coma Scale measurements but accounted for 63% of “major” Glasgow Coma Scale disagreements, and 50% of the overall difference in Acute Physiology and Chronic Health Evaluation-predicted mortality between raters. Conclusions: Inconsistent use among raters of the new “unable to score” choice for Glasgow Coma Scale introduced in Acute Physiology and Chronic Health Evaluation IV was responsible for important decreases in both Glasgow Coma Scale and Acute Physiology and Chronic Health Evaluation IV mortality prediction reliability in our study. A Glasgow Coma Scale algorithm we developed after the study to improve reliability related to use of this new “unable to score” choice is presented.
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